research Activity of steroid 4 and derivatives 4a–4f as inhibitors of the enzyme 5α-reductase 1
Compounds 4, 4b, and 4c effectively inhibit an enzyme linked to testosterone conversion without significant toxicity.
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30-60 / 1000+ resultsresearch 1424 METHYLATION AND DECREASED EXPRESSION OF 5-ALPHA REDUCTASE 2 IN HUMAN PROSATE SAMPLES: IMPLICATIONS FOR RESISTANCE TO THERAPY FOR BPH
Methylation of the 5-AR2 gene may cause resistance to Finasteride in BPH patients.
![Effect of C-Ring Modifications in Benzo[c]quinolizin-3-ones, New Selective Inhibitors of Human 5α-Reductase 1](/images/research/c687900f-ea40-4de1-8f0b-a5b818951b1c/small/15452.jpg)
research Effect of C-ring modifications in benzo[c]quinolizin-3-ones, new selective inhibitors of human 5α-reductase 1
Changing the C-ring structure in certain compounds can make them better at blocking a specific human enzyme.
![Synthesis and Activity of 8-Substituted Benzo[c]quinolizin-3-ones as Dual Inhibitors of Human 5α-Reductases 1 and 2](/images/research/efc54340-66d6-4f27-9930-045ac023f903/small/15248.jpg)
research Synthesis and activity of 8-substituted benzo[c]quinolizin-3-ones as dual inhibitors of human 5α-reductases 1 and 2
New compounds were made that effectively block enzymes related to prostate issues and hair loss.
research Synthesis and in Vitro Evaluation of 4-Substituted N-(1,1-Dimethylethyl)-3-oxo-4-androstene-17.beta.-carboxamides as 5.alpha.-Reductase Inhibitors and Antiandrogens
The new compounds moderately block a specific enzyme and strongly counteract a male hormone, suggesting potential for treating certain male-related health conditions.
research A Role for Steroid 5 alpha-reductase 1 in Vascular Remodelling During Endometrial Decidualisation
The enzyme 5α-reductase is important for proper blood vessel development during the fertility-related transformation of the uterus lining.
research Evaluating the safety profile of α-1 blockers, 5α-reductase inhibitors, and PDE5I for BPH: a disproportionality analysis of real-world adverse events based on FDA adverse event reporting system (FAERS)
These medications for BPH have known risks and may have new side effects.
research Evaluating the safety profile of α-1 blockers, 5α-reductase inhibitors, and PDE5I for BPH: a disproportionality analysis of real-world adverse events based on FDA adverse event reporting system (FAERS)
These medications for BPH have known risks and may have new side effects.
research A role for steroid 5 alpha-reductase 1 in vascular remodeling during endometrial decidualization
The enzyme 5α-reductase type 1 is important for blood vessel development and fertility in the uterus.
research Immunohistochemical localization of types 1 and 2 5α-reductase in human scalp
The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.
research Molecular interactions of progesterone derivatives with 5α-reductase types 1 and 2 and androgen receptors
Certain progesterone derivatives can inhibit enzymes and reduce androgenic activity, potentially affecting prostate growth.
research Longitudinal clinical course in patients with 5α-reductase type 2 deficiency treated with testosterone and dihydrotestosterone during infancy and puberty
Testosterone and dihydrotestosterone treatments can help with penile growth in males with 5α-reductase type 2 deficiency, with dihydrotestosterone being more effective in infancy.
research PNU 157706, a novel dual type I and II5α-reductase inhibitor
PNU 157706 is a more effective treatment than finasteride for conditions caused by DHT, like enlarged prostate and hair loss.
research Expression of mRNA for androgen receptor, 5alpha-reductase and 17beta-hydroxysteroid dehydrogenase in human dermal papilla cells
Hair sensitivity to androgens is partly controlled by specific enzyme expressions in different hair areas.
research Immunolocalization of 5α-Reductase Isozymes in Acne Lesions and Normal Skin
The study found that the enzyme linked to acne is present in the same areas of both acne-affected and normal skin.
research 5 Alpha-reductase inhibitors: whatʼs new?
A new drug, dutasteride, is at least as effective as the older drug, finasteride, for treating enlarged prostate and may have additional uses.
research Synthesis of phenanthridin-3-one derivatives: Non-steroidal inhibitors of steroid 5-α-reductase
New chemicals were made that can block an enzyme linked to hair loss, prostate growth, and acne.
research Steroid 5α-reductases and 3α-hydroxysteroid dehydrogenases: key enzymes in androgen metabolism
Key enzymes control androgen levels, affecting hormone activity and potential treatments.
research Synthesis and Evaluation of 2‘-Substituted 4-(4‘-Carboxy- or 4‘-carboxymethylbenzylidene)-N-acylpiperidines: Highly Potent and in Vivo Active Steroid 5α-Reductase Type 2 Inhibitors
Compounds 15, 20, and 25 are strong inhibitors of human steroid 5α-reductase type 2.
research 5-alpha-reductase inhibitors are associated with reduced frequency of COVID-19 symptoms in males with androgenetic alopecia (vol 35, pg e243, 2021)
Men with hair loss who take a certain type of medication may experience fewer COVID-19 symptoms.
research 5α-Reductase Type 1 Deficiency or Inhibition Predisposes to Insulin Resistance, Hepatic Steatosis, and Liver Fibrosis in Rodents
Lack of 5α-Reductase type 1 can lead to insulin resistance and liver problems.
research Clinical application of 5α-reductase inhibitors
5α-reductase inhibitors, like finasteride and dutasteride, effectively treat BPH, male baldness, and hirsutism, with potential for acne and prostate cancer prevention.
research FCE 28260, a new 5α-reductase inhibitor: In vitro and in vivo effects
FCE 28260 is a stronger and longer-lasting inhibitor of 5α-reductase than finasteride, which may make it a better treatment for certain medical conditions.
research mRNA Levels of Aromatase, 5α-Reductase Isozymes, and Prostate Cancer-Related Genes in Plucked Hair from Young Men with Androgenic Alopecia
Men with early balding showed higher levels of certain genes linked to hair loss and possibly prostate cancer.
research Discovery and Clinical Development of Dutasteride, a Potent Dual 5α- Reductase Inhibitor
Dutasteride effectively treats benign prostatic hyperplasia and may reduce prostate cancer risk.
research Clinical dose ranging studies with finasteride, a type 2 5α-reductase inhibitor, in men with male pattern hair loss
Finasteride effectively treats male pattern hair loss with a 1 mg daily dose.
![The Synthesis of (−)-4-Methyl-8-Chloro-Trans-1,2,3,4,4a,5,6,10b-Octahydrobenzo-[f]-Quinolin-3-One-[3-14C] (LY300502-14C) via a Circuitous Route](/images/research/73bab8dc-bdf0-45e3-8ef7-73d0d4b93cb1/small/21074.jpg)
research The synthesis of (−)-4-methyl-8-chloro-trans-1,2,3,4,4a,5,6,10b-octahydrobenzo-[f]-quinolin-3-one-[3-14C] (LY300502-14C]) via a circuitous route
Scientists made a carbon-14 labeled version of a drug with a 48% yield and over 99% purity.
research Finasteride reduces serum PSA to a similar extent at 1 mg and 5 mg daily doses
Finasteride lowers PSA levels about the same whether taken at 1 mg or 5 mg daily.
research Development of Microemulsions<i> </i>Containing<i> Carthamus tinctorius</i> Extract for 5α-Reductase Inhibition
A microemulsion with Carthamus tinctorius extract effectively inhibits 5α-reductase and improves skin and hair follicle delivery.
research Inhibitory Effects of Serenoa repens on the Kinetic of Pig Prostatic Microsomal 5α-Reductase Activity
Saw palmetto extract can block the enzyme that converts testosterone in pig prostate cells.